From 46238a80e68fcb4c8b65b6f4aab050aa0316a8e7 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Thu, 18 Jul 2013 18:31:53 +0100
Subject: [PATCH] RHEL 7: Remove 9p APIs from RHEL (RHBZ#921710).
---
Makefile.am | 2 +-
daemon/9p.c | 221 ---------------------------------------------------
daemon/Makefile.am | 1 -
generator/actions.ml | 23 ------
gobject/Makefile.inc | 2 -
po/POTFILES | 2 -
6 files changed, 1 insertion(+), 250 deletions(-)
delete mode 100644 daemon/9p.c
diff --git a/Makefile.am b/Makefile.am
index 524e397..c77fc34 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -71,7 +71,7 @@ SUBDIRS += tests/xfs
SUBDIRS += tests/charsets
SUBDIRS += tests/xml
SUBDIRS += tests/mount-local
-SUBDIRS += tests/9p
+#SUBDIRS += tests/9p
SUBDIRS += tests/rsync
SUBDIRS += tests/bigdirs
SUBDIRS += tests/disk-labels
diff --git a/daemon/9p.c b/daemon/9p.c
deleted file mode 100644
index a9e36d1..0000000
--- a/daemon/9p.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/* libguestfs - the guestfsd daemon
- * Copyright (C) 2011 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <fcntl.h>
-
-#include "daemon.h"
-#include "actions.h"
-
-#define BUS_PATH "/sys/bus/virtio/drivers/9pnet_virtio"
-GUESTFSD_EXT_CMD(str_mount, mount);
-
-static char *read_whole_file (const char *filename);
-
-/* https://bugzilla.redhat.com/show_bug.cgi?id=714981#c1 */
-char **
-do_list_9p (void)
-{
- CLEANUP_FREE_STRINGSBUF DECLARE_STRINGSBUF (r);
-
- DIR *dir;
-
- dir = opendir (BUS_PATH);
- if (!dir) {
- perror ("opendir: " BUS_PATH);
- if (errno != ENOENT) {
- reply_with_perror ("opendir: " BUS_PATH);
- return NULL;
- }
-
- /* If this directory doesn't exist, it probably means that
- * the virtio driver isn't loaded. Don't return an error
- * in this case, but return an empty list.
- */
- if (end_stringsbuf (&r) == -1)
- return NULL;
-
- return take_stringsbuf (&r);
- }
-
- while (1) {
- struct dirent *d;
-
- errno = 0;
- d = readdir (dir);
- if (d == NULL) break;
-
- if (STRPREFIX (d->d_name, "virtio")) {
- char mount_tag_path[256];
- snprintf (mount_tag_path, sizeof mount_tag_path,
- BUS_PATH "/%s/mount_tag", d->d_name);
-
- /* A bit unclear, but it looks like the virtio transport allows
- * the mount tag length to be unlimited (or up to 65536 bytes).
- * See: linux/include/linux/virtio_9p.h
- */
- CLEANUP_FREE char *mount_tag = read_whole_file (mount_tag_path);
- if (mount_tag == 0)
- continue;
-
- if (add_string (&r, mount_tag) == -1) {
- closedir (dir);
- return NULL;
- }
- }
- }
-
- /* Check readdir didn't fail */
- if (errno != 0) {
- reply_with_perror ("readdir: /sys/block");
- closedir (dir);
- return NULL;
- }
-
- /* Close the directory handle */
- if (closedir (dir) == -1) {
- reply_with_perror ("closedir: /sys/block");
- return NULL;
- }
-
- /* Sort the tags. */
- if (r.size > 0)
- sort_strings (r.argv, r.size);
-
- /* NULL terminate the list */
- if (end_stringsbuf (&r) == -1)
- return NULL;
-
- return take_stringsbuf (&r);
-}
-
-/* Read whole file into dynamically allocated array. If there is an
- * error, DON'T call reply_with_perror, just return NULL. Returns a
- * \0-terminated string.
- */
-static char *
-read_whole_file (const char *filename)
-{
- char *r = NULL;
- size_t alloc = 0, size = 0;
- int fd;
-
- fd = open (filename, O_RDONLY|O_CLOEXEC);
- if (fd == -1) {
- perror (filename);
- return NULL;
- }
-
- while (1) {
- alloc += 256;
- char *r2 = realloc (r, alloc);
- if (r2 == NULL) {
- perror ("realloc");
- free (r);
- close (fd);
- return NULL;
- }
- r = r2;
-
- /* The '- 1' in the size calculation ensures there is space below
- * to add \0 to the end of the input.
- */
- ssize_t n = read (fd, r + size, alloc - size - 1);
- if (n == -1) {
- fprintf (stderr, "read: %s: %m\n", filename);
- free (r);
- close (fd);
- return NULL;
- }
- if (n == 0)
- break;
- size += n;
- }
-
- if (close (fd) == -1) {
- fprintf (stderr, "close: %s: %m\n", filename);
- free (r);
- return NULL;
- }
-
- r[size] = '\0';
-
- return r;
-}
-
-/* Takes optional arguments, consult optargs_bitmask. */
-int
-do_mount_9p (const char *mount_tag, const char *mountpoint, const char *options)
-{
- CLEANUP_FREE char *mp = NULL, *opts = NULL, *err = NULL;
- struct stat statbuf;
- int r;
-
- ABS_PATH (mountpoint, , return -1);
-
- mp = sysroot_path (mountpoint);
- if (!mp) {
- reply_with_perror ("malloc");
- return -1;
- }
-
- /* Check the mountpoint exists and is a directory. */
- if (stat (mp, &statbuf) == -1) {
- reply_with_perror ("%s", mountpoint);
- return -1;
- }
- if (!S_ISDIR (statbuf.st_mode)) {
- reply_with_perror ("%s: mount point is not a directory", mountpoint);
- return -1;
- }
-
- /* Add trans=virtio to the options. */
- if ((optargs_bitmask & GUESTFS_MOUNT_9P_OPTIONS_BITMASK) &&
- STRNEQ (options, "")) {
- if (asprintf (&opts, "trans=virtio,%s", options) == -1) {
- reply_with_perror ("asprintf");
- return -1;
- }
- }
- else {
- opts = strdup ("trans=virtio");
- if (opts == NULL) {
- reply_with_perror ("strdup");
- return -1;
- }
- }
-
- r = command (NULL, &err,
- str_mount, "-o", opts, "-t", "9p", mount_tag, mp, NULL);
- if (r == -1) {
- reply_with_error ("%s on %s: %s", mount_tag, mountpoint, err);
- return -1;
- }
-
- return 0;
-}
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 997d89f..20a6289 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -83,7 +83,6 @@ endif
# https://rwmj.wordpress.com/2015/09/30/make-and-queuing-theory/#content
guestfsd_SOURCES = \
stubs.c \
- 9p.c \
acl.c \
actions.h \
available.c \
diff --git a/generator/actions.ml b/generator/actions.ml
index 304fd80..9248ded 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -9359,29 +9359,6 @@ This returns true iff the device exists and contains all zero bytes.
Note that for large devices this can take a long time to run." };
{ defaults with
- name = "list_9p"; added = (1, 11, 12);
- style = RStringList "mounttags", [], [];
- proc_nr = Some 285;
- shortdesc = "list 9p filesystems";
- longdesc = "\
-List all 9p filesystems attached to the guest. A list of
-mount tags is returned." };
-
- { defaults with
- name = "mount_9p"; added = (1, 11, 12);
- style = RErr, [String "mounttag"; String "mountpoint"], [OString "options"];
- proc_nr = Some 286;
- camel_name = "Mount9P";
- shortdesc = "mount 9p filesystem";
- longdesc = "\
-Mount the virtio-9p filesystem with the tag C<mounttag> on the
-directory C<mountpoint>.
-
-If required, C<trans=virtio> will be automatically added to the options.
-Any other options required can be passed in the optional C<options>
-parameter." };
-
- { defaults with
name = "list_dm_devices"; added = (1, 11, 15);
style = RStringList "devices", [], [];
proc_nr = Some 287;
diff --git a/gobject/Makefile.inc b/gobject/Makefile.inc
index 3bb8041..20c98ff 100644
--- a/gobject/Makefile.inc
+++ b/gobject/Makefile.inc
@@ -87,7 +87,6 @@ guestfs_gobject_headers= \
include/guestfs-gobject/optargs-mkfs_btrfs.h \
include/guestfs-gobject/optargs-mkswap.h \
include/guestfs-gobject/optargs-mktemp.h \
- include/guestfs-gobject/optargs-mount_9p.h \
include/guestfs-gobject/optargs-mount_local.h \
include/guestfs-gobject/optargs-ntfsclone_out.h \
include/guestfs-gobject/optargs-ntfsfix.h \
@@ -173,7 +172,6 @@ guestfs_gobject_sources= \
src/optargs-mkfs_btrfs.c \
src/optargs-mkswap.c \
src/optargs-mktemp.c \
- src/optargs-mount_9p.c \
src/optargs-mount_local.c \
src/optargs-ntfsclone_out.c \
src/optargs-ntfsfix.c \
diff --git a/po/POTFILES b/po/POTFILES
index d025941..d4058ac 100644
--- a/po/POTFILES
+++ b/po/POTFILES
@@ -14,7 +14,6 @@ cat/ls.c
cat/visit.c
customize/crypt-c.c
customize/perl_edit-c.c
-daemon/9p.c
daemon/acl.c
daemon/augeas.c
daemon/available.c
@@ -213,7 +212,6 @@ gobject/src/optargs-mkfs.c
gobject/src/optargs-mkfs_btrfs.c
gobject/src/optargs-mkswap.c
gobject/src/optargs-mktemp.c
-gobject/src/optargs-mount_9p.c
gobject/src/optargs-mount_local.c
gobject/src/optargs-ntfsclone_out.c
gobject/src/optargs-ntfsfix.c
--
2.7.4